Home / 75,503.45-104,192.56-41,511.90

Finding the Fourth Proportional to 75,503.45, 104,192.56 and 41,511.90

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Solution

The fourth proportional to 75,503.45, 104,192.56 and 41,511.90 is: 57,285.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,503.45 : 104,192.56 = 41,511.90 : x
  2. Step 2: Convert to fraction form
    75,503.45/104,192.56 = 41,511.90/x
  3. Step 3: Cross multiply
    75,503.45x = 104,192.56 × 41,511.90
  4. Step 4: Simplify right side
    75,503.45x = 4,325,231,574.08
  5. Step 5: Solve for x
    x = 4,325,231,574.08/75,503.45
  6. Step 6: Final answer
    x = 57,285.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.